<template>
	<div class="container">
		<div class="content">
			<div class="top">
				<div class="header">
					<img alt="logo" class="logo" src="static/img/vue-antd-logo.png" />
					<span class="title">{{ systemName }}</span>
				</div>
			</div>
			<div class="login">
				<a-form @submit="onSubmit" :autoFormCreate="form => (this.form = form)">
					<a-tabs size="large" :tabBarStyle="{ textAlign: 'center' }" style="padding: 0 2px;">
						<a-tab-pane tab="在线考试系统后台管理" key="1">
							<a-alert type="error" :closable="true" v-show="error" :message="error" showIcon style="margin-bottom: 24px;" />
							<a-form-item fieldDecoratorId="name" :fieldDecoratorOptions="{ rules: [{ required: true, message: '请输入账户名', whitespace: true }] }">
								<a-input size="large"><a-icon slot="prefix" type="user" /></a-input>
							</a-form-item>
							<a-form-item fieldDecoratorId="password" :fieldDecoratorOptions="{ rules: [{ required: true, message: '请输入密码', whitespace: true }] }">
								<a-input size="large" type="password"><a-icon slot="prefix" type="lock" /></a-input>
							</a-form-item>
						</a-tab-pane>
					</a-tabs>
					<div>
						<a-checkbox :checked="true">自动登录</a-checkbox>
						<a disabled style="float: right">忘记密码</a>
					</div>
					<a-form-item><a-button :loading="logging" style="width: 100%;margin-top: 24px" size="large" htmlType="submit" type="primary">登录</a-button></a-form-item>
				</a-form>
			</div>
		</div>
		<global-footer :link-list="linkList" :copyright="copyright" />
	</div>
</template>

<script>
import GlobalFooter from '../layouts/GlobalFooter.vue';
import { AdminDoLogin } from '@/api/exam';
import { setToken, getToken } from '@/utils/auth';
export default {
	name: 'Login',
	components: { GlobalFooter },
	data() {
		return {
			logging: false,
			error: ''
		};
	},
	computed: {
		systemName() {
			return this.$store.state.setting.systemName;
		},
		linkList() {
			return this.$store.state.setting.footerLinks;
		},
		copyright() {
			return this.$store.state.setting.copyright;
		}
	},
	methods: {
		onSubmit(e) {
			e.preventDefault();
			this.form.validateFields((err, values) => {
				if (!err) {
					this.logging = true;
					if (!getToken()) {
						AdminDoLogin({
							username: this.form.getFieldValue('name'),
							password: this.form.getFieldValue('password')
						}).then(res => {
							this.logging = false;
							const result = res.result;
							if (result) {
								const user = res.data;
								this.$store.commit('account/setuser', user);
								this.$message.success('登陆成功', 3);
								setToken(user);
								if (!this.utils.isEmty(this.$route.query.redirect)) {
									this.$router.push({ path: this.$route.query.redirect });
									return;
								} else {
									this.$router.push({ path: '/' });
									return;
								}
							} else {
								this.error = res.error;
							}
						});
					} else {
						this.logging = false;
						this.$store.commit('account/setuser', JSON.parse(getToken()));
						if (!this.utils.isEmty(this.$route.query.redirect)) {
							this.$router.push({ path: this.$route.query.redirect });
							return;
						} else {
							this.$router.push({ path: '/' });
							return;
						}
					}
				}
			});
		}
	}
};
</script>

<style lang="less" scoped>
.container {
	display: flex;
	flex-direction: column;
	height: 100vh;
	overflow: auto;
	background: #f0f2f5 url('../assets/TVYTbAXWheQpRcWDaDMu.svg') no-repeat center 110px;
	background-size: 100%;
	.content {
		padding: 32px 0;
		flex: 1;
		@media (min-width: 768px) {
			padding: 112px 0 24px;
		}
		.top {
			text-align: center;
			.header {
				height: 44px;
				line-height: 44px;
				a {
					text-decoration: none;
				}
				.logo {
					height: 44px;
					vertical-align: top;
					margin-right: 16px;
				}
				.title {
					font-size: 33px;
					color: rgba(0, 0, 0, 0.85);
					font-family: 'Myriad Pro', 'Helvetica Neue', Arial, Helvetica, sans-serif;
					font-weight: 600;
					position: relative;
					top: 2px;
				}
			}
			.desc {
				font-size: 14px;
				color: rgba(0, 0, 0, 0.45);
				margin-top: 12px;
				margin-bottom: 40px;
			}
		}
		.login {
			width: 368px;
			margin: 0 auto;
			@media screen and (max-width: 576px) {
				width: 95%;
			}
			@media screen and (max-width: 320px) {
				.captcha-button {
					font-size: 14px;
				}
			}
			.icon {
				font-size: 24px;
				color: rgba(0, 0, 0, 0.2);
				margin-left: 16px;
				vertical-align: middle;
				cursor: pointer;
				transition: color 0.3s;

				&:hover {
					color: #1890ff;
				}
			}
		}
	}
}
</style>
